I've extended the test:
and checked how sending Today model from server (GMT+2) behave when it goes to client side display on GMT-7 computer:
no matter if it's 00:01:00 or 23:59:30 on the server (GMT+2), on the client (GTM-7) the date is the same as on the server (which is good).
When I want to do the same with Now - the Display date and time model, instead of server's now(), it shows [server now() - 7 hours]...
Soon I'll do further tests with inserting data from client (GMT-7) to database (GMT+2), the data should not be changed in my opinion (we will see how it goes).
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